The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
How much to add insulation to attic.
See professionally prepared estimates for attic insulation work.
Energy information administration predicts that this.
It can cost anywhere from 1 700 to 2 100 or between 1 50 and 3 50 per foot to insulate an attic depending on what insulation material you choose.
Blowing attic insulation isn t hard but it s dusty sweaty work.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.
Many older homes have less insulation than homes built today but even adding insulation to a newer home can pay for itself within a few years.
For an effective insulation project you want to go for a thermal resistance of between r 38 and r 49 which may cost you about 1 59 per square foot which translates to about 1590 if your attic has an area of 1000 square feet.
Before you call a contractor however it s important to understand the options and costs involved.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
If your attic insulation covers your joists and is distributed evenly you probably have enough.
Add the right kind of insulation.
The answer depends on where you live.
You can do it yourself for about 500.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
Estimates suggest that it ll cost around 1 340.
Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49.
Multiply the number of inches of insulation by the r value per inch.
Insulation levels are specified by r value.
According to the u s.
The higher the r value the better the thermal performance of the insulation.
These insulation levels will keep heated air from migrating out in winter.
Blown in insulation overview.
How much does attic insulation cost.
But many homeowners i talk with don t know how much is enough.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
R value is a measure of insulation s ability to resist heat flow.
These costs do not include air sealing ventilation and vapor barriers which will cost an additional 350 1500.
First off you should know that insulating your attic isn t cheap.
To determine whether you should add insulation you first need to find out how much insulation you already have in your home and where it is.
Get fair costs for your specific project requirements.
Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.
How much should i add.
